.el-main{
  background-color: rgb(233, 253, 245);
  height: 90%;
  width: 95%;
  display: inline-block;
	text-align: center;
	overflow: hidden;
	padding-top: 20px;
	-webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -o-user-select: none;
  user-select: none;
}